firewaU防火墙firen.火；失火；炉火；开火；热情v.开火；解雇；点燃；急速地连续说fire plume correlations羽流模型firedamp drainage drill排放瓦斯钻机fire-fighting grenade灭火手雷fire service instructor消防教官fire retardant material阻燃材料fire protection coating防火涂料fire-command software射击指挥软件fire supervisory system火灾监控系统Fire Control Regulation消防条例fired perforated bricks烧结多孔砖

1. When a fire fighter is killed, it is usually becaue the fire has been burning a long time, causing a wall to fall down while the fire is being fought.
   消防员通常是因为火灾延续时间过长，救火时遇到墙壁倒塌而被烧死的。